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It predates the tubulin work and describes exactly what blocking microtubule-based transport would produce.\nexposure: Mebendazole at 30 parts per million in pig feed, with parasites collected 6, 9, 15 and 24 hours after feeding began\nevidence_span: {\"source_cache\": \"artifacts/mebendazole-research/1117352.abstract.txt\", \"locator\": \"Indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"e7cf1916636fe33e5b6ce6c22d84d2550adfd392b30b1b940f4c794b3069066f\", \"start_char\": 0, \"end_char\": 1554, \"text_sha256\": \"e7cf1916636fe33e5b6ce6c22d84d2550adfd392b30b1b940f4c794b3069066f\"}\n[mbz-p1117352] Ultrastructural changes in Ascaris suum intestine after mebendazole treatment in vivo. 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